take the energy quiz. energy lives here. she loves a lot of it's what you love about her. but your erectile dysfunction - that could be a question of blood flow. cialis tadalafil for dly use helps you be ready anytime the moment's right. yocan be more confident in your ability to be ready. and the same cialis is the only daily ed tablet approved to treat ed and symptoms obph, like needing to frequently or urgently. tell your doctor aboutall l conditions and medications, and ask your heart is healthy enough for sexual activity. do not take cialis if you take nitrates for chest pain, as this may cause an unsafe drop in bld pressure. do not drink alcoholin exc. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than 4 hours. if you have any sudden decrease or loss in hearing or vision, or iyou have anyllergic reactions such as rash, hives, swelling of the lips, tongue or throat, or diffificulty breathing or swallowing, stop taking cialis and get medical help rig